What is sandpaper

November 09, 2023

Phonetic: shā zhǐ
sandpaper; sandpaper; sandpaper
Commonly known as Shapi. A material used for grinding.
Used to polish metal, wood and other surfaces to make them smooth and smooth.
It is usually made by adding various abrasives to the base paper.
Depending on the abrasive materials, there are many types of sandpaper, artificial sandpaper, glass sandpaper, etc. Dry sandpaper (wood sandpaper) is used for polishing wood and bamboo surfaces. Water-resistant sandpaper (water-resistant sandpaper) is used to polish the surface of metal or non-metallic workpieces in water or oil.
All original paper is copied from unbleached kraft wood pulp.
The paper is tough, wear-resistant and water-resistant.
Abrasive materials such as glass sand are adhered to the base paper with adhesives such as gum and dried.
Edit this paragraph Sandpaper classification In actual use, the classification of sandpaper is not uniform.
According to usage:
Sponge sandpaper: Suitable for sanding smooth parts and can be made of various materials.
Dry sandpaper: suitable for rough machining or sanding rougher things, such as iron pipes and metal.
Water sandpaper: The texture is relatively fine. Water sandpaper is suitable for polishing some more delicate textures and is also suitable for post-processing;
The gaps between the sand grains of water sandpaper are very small, and the ground being ground is also very small. When water is used with water, groundwater flows out with the water. Therefore, it should be used with water. If you take water and sandpaper and polish it, polish it. It will stay in the sand gap, allowing the sandpaper on the surface to achieve its original effect. Dry sandpaper is not so troublesome. The larger the gap between the sand, the larger the sand will be, so there is no need to use water. Because during the grinding process, it will fall off due to the large gap.
According to product name:
Wood sandpaper is dry sandpaper; water sandpaper is water-resistant sandpaper; iron sandpaper is a dry sandpaper that is coarser and can polish metal surfaces as quickly as possible.
According to abrasive:
Brown corundum sandpaper; white corundum sandpaper; silicon carbide sandpaper; zirconium corundum sandpaper, etc.
According to adhesive:
Ordinary bonded sandpaper; resin sandpaper.
According to appearance:
Sand Paper Roll; Sand Paper Sheet; Sand Paper Disc
There are also coarse sandpaper and fine sandpaper.
Sand Paper model
Commonly used 400# 600# 1000# 1200# 1500# 2000#

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